/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayEffect.h
Get the count of the effects matching the specified query (including stack count)
Count of the effects matching the specified query
int32 GetActiveEffectCount ( const [FGameplayEffectQuery](API\Plugins\GameplayAbilities\FGameplayEffectQuery) & Query, bool bEnforceOnGoingCheck ) const